Rowing machine



FIG. 1 is a perspective view of rowing machine showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof, opposite that of FIG. 2;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof, from a side opposite that of FIG. 4;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof, opposite that of FIG. 6.

The broken lines shown in the drawings are for the purpose of illustrating portions of the rowing machine that form no part of the claimed design. 

CLAIM The ornamental design for rowing machine, as shown and described. 